The standard cost sheet for Chambers Company, which manufactures one product, follows Direct matenials, 30 yards at 52.00 per yard Direct labor, 8 hours at $25 per hour Factory overhead applied at 70% of direct labor (vanable costs 575 feed cOsts 530) Variable selling and administrative Fixed selling and administrative 5 60 150 105 80 56 Total unit costs 5 451 Standards have been computed based on a master budget activity level of 30,400 direct labor-hours per month. Actual activity for the past month was as follows 190,000 yards at $2 20 per yard Materials used Direct abor Total factory overnead Production 29,500 hours at $26 90 per hour 5550,000 4,700 units Required: Prepare varlance analyses for the varlable and foxed costs. Materials are purchased as they are used. (Do not round intenmediate calculations. Indicate the effect of each variance by selecting "F for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Price variance Efficiency variance Price variancs Efficiency variance Efficiency variance Production volume variance